The space elevator will be built about 50 years after everyone stops laughing.

One can imagine a time when men who still inhabit organic bodies are regarded with pity by those who have passed on to an infinitely richer mode of existence, capable of throwing their consciousness or sphere of attention instantaneously to any point on land, sea, or sky where there is a suitable sensing organ. In adolescence we leave childhood behind; one day there may be a second and more portentous adolescence, when we bid farewell to the flesh.

Deep beneath the surface of the Sun, enormous forces were gathering. At any moment, the energies of a million hydrogen bombs might burst forth in the awesome explosion.... Climbing at millions of miles per hour, an invisible fireball many times the size of Earth would leap from the Sun and head out across space.

The rash assertion that "God made man in His own image" is ticking like a time bomb at the foundation of many faiths.

A well-stocked mind is safe from boredom.

My favorite definition of an intellectual: 'Someone who has been educated beyond his/her intelligence'.

Belief in God is apparently a psychological artifact of mammalian reproduction.